They really have a great time too , designing everything , drawing the blue prints , the angles and so on .
A. looking out
B. taking out
C. finding out
D. figuring out
网友回答
A. looking out
B. taking out
C. finding out
(答案→)D. figuring out
解析：figure out 与design，draw是并列的，作状语，结构形式上也应一样。故选D。